Q1 // If an office has noise level of 70 dB and anew machine emitting 68 dB is added to the din, what is the combined sound level? Q2 // what is the (SIL Sound Intensity Level) in dB of sound whose intensity is 0.01 w/m2? Note: Reference intensity 1012 w/m2?
Q: The sound intensity of two alarms is detected at a particular point. The first alarm has an…
A: Given: The intensity of first alarm (I1) = 103.7 W/m2. Intensity of second alarm is 11 dB louder…
Q: Points R and S have a distance of 50 meters and 500 meters respectively from the sound source. If…
A:
Q: 5. Compute the average sound pressure level of the following readings by simple arithmetic averaging…
A: Arithmetic averaging method is used for calculating simple averages. For data where the preserving…
Q: A blue whale can emit sound at a sound intensity level of 188 dB. The typical human shout has a…
A: Sound intensity is a measure of the amount of sound energy that passes through a unit area in a unit…
Q: A noise level meter reads the sound level at the emergency ward to be 85 dB. What is sound…
A:
Q: You hear a sound of (4.5x10^1) decibels. What is the intensity? Give your answer in microwatts/m2 to…
A: according to company guideline we need to solve only first question. if you want to answered any…
Q: There are 4 identical dogs barking with identical sound intensity levels of 92 dB as measured by a…
A:
Q: The intensity at a certain location is 1.021 W/m2. What is the sound intensity level at this…
A: Intensity of sound at a certain location (I) = 1.021 Wm2
Q: RTI What is the sound intensity level for sound wave of intensity 6.3x108 W/m²? Express your answer…
A:
Q: The sound of a loud rock concert has an intensity of 0.1240.124 W/m2. What is the intensity level in…
A:
Q: True or False: The intensity of a 75 dB sound is calculated: e^7.5x10^−12 W/m2
A:
Q: The decibel level of a sound is defined to be $100 (7) B= 10 log where I is the intensity of the…
A: A train horn with a decibel rating ofwith a radius of.We need to find the intensity of the train…
Q: What is the sound level of a sound whose intensity is 9.5×10-6 W/m2?
A: The intensity of the faintest sound that is audible is called the Threshold of Hearing. This has an…
Q: According to the Guinness Book of Records, the anechoic chamber at Orfield Laboratories in…
A: Write the expression for the noise reading. Here, I represents the intensity of noise and I0…
Q: What is the decibel level of a sound that has an intensity of 57.5 x 10-5 W/m2? Assume the…
A: The sound intensity is The reference intensity is Find:Sound level for given sound intensity.
Q: You work at a building site and the noise level has been measured at 95 dB. You need to wear…
A:
Q: A sound wave from a siren has an intensity of 89.1 W/m2 at a certain point, and a second sound wave…
A: Given:Intensity,I=89.1 W/m2Intensity level= 10 dB Find he intensity level of the sound wave due to…
Q: A point source emits sound isotropically. The sound intensity is 0.02 W/m² at a distance of 7 m from…
A:
Q: The intensity (in W/m²) of one sound is 7.81 times as great as the intensity of another sound.…
A:
Q: The intensity of a sound is 30 W/m2 If the intesity level of sound increased by 20 decibels, what…
A: Given:I1 =30Wm2 increasing intensity =20dBTo find: New intensity I2=?
Q: What is the decibel level of a sound that has an intensity of 87 x 10-5 W/m?? Assume the standard dB…
A:
Q: The intensity of a sound is 800W / (m ^ 2) if the intesity level of sound decreased by 20 decibels,…
A: Given I=800 w/m2 Decrease in loudness=20 dB β=10dB logII0 So β1-β2=10dB logI1I2
Q: The sound intensity at a certain location is 4.0×10-6 W/m2. What is the sound intensity level at…
A: Given : Intensity at certain level (I) = 4.0×10-6 W/m2. threshold intensity (I0) = 1 x 10-12…
Q: A sound has an intensity level of 118 dB. What is the physical sound intensity in watts/m2?
A:
Q: The warning tag on a lawn mower states that it produces noise at a level of 93 dB. What is this in…
A:
Q: Two students hear the same sound and their eardrums receive the same power from the sound wave. The…
A: Given; Let there be two students A and B. Both receives the same power from sound wave i.e. PA =…
Q: A sound has an intensity of 0.0000027 Watts per square meter. What is this sound's decibel level?
A: Mathematically, the loudness of sound(B) or sound level in Decibels can be given as, B = 10log10IIo,…
Q: A sound level of 0 dB corresponds to a sound intensity of 0 W/m2. True or False?
A: Sound waves are longitudinal waves. This implies that the direction of propagation of the sound wave…
Q: bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength…
A:
Q: A open end tube will set up a standing sound wave when there is an antinode at both ends of the…
A:
Q: The warning tag on a lawn mower states that it produces noise at a level of 96.0 dB. What is this in…
A:
Q: The level of sound D in decibels is defined as follows: D = 10 log (10 16 ) 10-16 where I is the…
A:
Q: A 2nd harmonic sound wave fills an empty glass jug 60 cm long. If it moves at 340 m/s, what is the…
A:
Q: An average factory has a sound intensity level of 80 dB, and a boiler shop has a sound intensity…
A:
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 6 images
- If a sound with a singular frequency of 534 has an measured intensity of 9.11 x 10-5 w when at a distance of 5.8 m from the source, what is the decibel level when at a distance of 10.6 m from the source?A typical adult ear has a surface area of 1.36 × 10-3 m2. The sound intensity during a normal conversation is about 3.78 × 10-6 W/m2 at the listener's ear. Assume that the sound strikes the surface of the ear perpendicularly. How much power is intercepted by the ear? number units2 Q:A- Calculate the sound level in dB of a sound intensity 10-8 Wm-
- Two sound waves have intensities of 1 times 10 to the -5 W/m2 and 5 times 10 to the -4 W/m2. What is the difference in their intensities levels (db)? I0 = 10 to the -12 W/m2.The source of a sound wave has a power of 5.91macrowatts.if it is a point source A)what is the intensity If the distance is 1.62m: What is the sound levelWhat is the decibel level of a sound that has an intensity of 10.4 x 10-5 W/m2? Assume the standard dB level scale where the reference intensity is 1 x 10-12 W/m2
- A noise has an intensity of 2.4×10-8 W/m2. If the threshold of human hearing is I0 = 1.0×10-12 W/m2, calculate the sound intensity level in dB. Use two digits of precision for your answer.Problem #8: The noise from a grinder in a factory is 32000 times more powerful than the noise from a dishwasher. By how many decibels is the factory noise greater than the dishwasher noise? Problem #9: A loud sound is 90 dB. When the sound is reduced to 5% of its original intensity, what is the decibel level? Problem #10: At a rock concert, a dB meter registered 130 dB when placed 2.8m in front of a loudspeaker on the stage. What is the power output of the speaker, assuming uniform spherical spreading of the sound and neglecting absorption in air? Problem #11: By how many decibels do you reduce the sound intensity level due to a source of sound if you quadruple your distance from it? Assume that the waves expand spherically.A typical adult ear has a surface area of 1.90 × 103 m². The sound intensity during a normal conversation is about 2.04 x 10-6 W/m² at the listener's ear. Assume that the sound strikes the surface of the ear perpendicularly. How much power is intercepted by the ear? Number i Units
- The intensity level in decibels is defined as 10 log10(I/I0), where I0 is a reference intensity equal to the human threshold of hearing, 10–12 W/m2. What is the intensity of the threshold of pain, 120 decibels? answer is : 10° W/m2 I'm not sure how they got this answerA sound wave traveling in 22 °C air has a sound intensity of 25 × 10-3 W/m2 Part (a) Assuming the density of air at this temperature is 1.19 kg/m3, what is the pressure variation of this sound wave in N/m2? Part (b) Calculate the sound intensity level in decibels.Chapter 16, Problem 069 Your answer is partially correct. Try again. ES. lem The bellow of a territorial bull hippopotamus is measured at 116 dB above the threshold of hearing. What is the sound intensity? Hint: The threshold of human hearing is Io = 1.00 x 10-12 W/m2. plem %3D blem Number Units W/m^2 ▼ oblem the tolerance is +/-5% oblem roblem SHOW HINT Problem LINK TO TEXT Problem Problem By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Policy set by your instructor. Problem Question Attempts: 1 of 6 used SUBMIT ANSWER SAVE FOR LATER Problem Earn Maximum Points available only if you 8:02 PM 4/29/2020 19 e here to search 21 ASL pause break prt sc sysrq f11 f12 insert f8 f9 f10 f4 f5 f6 f7 f2 f3 backspace & %24 80 4 96